GritCore

Anyone can say they ran a hundred kilometres. GritCore asks the harder question: how many people ever have? Every official ultra in GritCore — a 100 km run, the height of Everest climbed in one effort, a ten-minute plank — comes with an estimate of how many people have ever done it. Do one, prove it, and get the number that goes with it: about 1 in 12,000. Not a badge everybody gets. A place on a very short list. HOW IT WORKS Pick an ultra, or invent one of your own for others to claim. Prove it. Verify it from a workout recorded in Apple Health, or claim it yourself and add a link to your proof. People who were there can vouch for you. See where it puts you. Every verified ultra places you against the world, and against everyone else on GritCore. VERIFY WITH APPLE HEALTH Connect Apple Health and GritCore reads the workout you pick: its type, duration, distance and the height it…